001     1038892
005     20250317202727.0
020 _ _ |a 978-3-95806-807-0
024 7 _ |2 datacite_doi
|a 10.34734/FZJ-2025-01703
024 7 _ |2 URN
|a urn:nbn:de:0001-2503171107453.419403121030
037 _ _ |a FZJ-2025-01703
100 1 _ |0 P:(DE-Juel1)185935
|a Li, Boxi
|b 0
|e Corresponding author
|u fzj
245 _ _ |a Practical Methods for Efficient Analytical Control in Superconducting Qubits
|f 2020-10-01 - 2024-12-31
260 _ _ |a Jülich
|b Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag
|c 2025
300 _ _ |a 202
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|a Thesis
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|s 1741862350_28779
336 7 _ |2 DRIVER
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490 0 _ |a Schriften des Forschungszentrums Jülich Reihe Schlüsseltechnologien / Key Technologies
|v 290
502 _ _ |a Dissertation, Köln, 2024
|b Dissertation
|c Köln
|d 2024
|o 2024-10-30
520 _ _ |a Quantum technology is at the forefront of revolutionizing information processing by exploiting the principles of quantum mechanics to perform operations infeasible for its classical counterparts. As this field shifts from pure scientific exploration to practical application, developing advanced quantum control techniques becomes critical for precise and reliable quantum system manipulation. This thesis focuses on analytical quantum control techniques to enhance the performance of superconducting qubits, a leading architecture in quantum information processing. Due to their simplicity and efficiency, the model-based analytical methods discussed are particularly advantageous for experimental integration. The thesis covers three aspects of quantum control: system modelling, control scheme design, and performance benchmarking. It starts by discussing the efficient modelling of quantum systems, aiming to reduce the dimension of the model while keeping the essential features of the dynamics. Here, to build more accurate and efficient models, the traditional perturbative approach is generalized by adopting the recursive structure and the exact diagonalization of a two-by-two matrix via Givens rotation. Building upon these modelling methods, the thesis addresses the dynamic control errors in quantum operations, including leakage, crosstalk, and other control errors in superconducting qubits. Based on the Derivative Removal by Adiabatic Gate (DRAG) framework, several applications are studied for two-qubit gates, multi-level qudit, and inter-qubit crosstalk. The key insight is to use the recursive formulation, which allows the integration of multiple DRAG corrections to address different errors simultaneously while maintaining simplicity and practicality for experimental calibration. Lastly, to validate the performance of control methods, the thesis introduces a new simulation tool for quantum circuits at the pulse level, based on the widely used software package Quantum Toolbox in Python (QuTiP). This tool incorporates realistic control errors and dissipation, aiding in the design, testing, and practical implementation of quantum control strategies in real-world settings.
536 _ _ |0 G:(DE-HGF)POF4-5221
|a 5221 - Advanced Solid-State Qubits and Qubit Systems (POF4-522)
|c POF4-522
|f POF IV
|x 0
536 _ _ |0 G:(DE-Juel1)BMBF-13N16149
|a BMBF 13N16149 - QSolid (BMBF-13N16149)
|c BMBF-13N16149
|x 1
856 4 _ |u https://juser.fz-juelich.de/record/1038892/files/Schluesseltech_290.pdf
|y OpenAccess
909 C O |o oai:juser.fz-juelich.de:1038892
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|a DE-HGF
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|l Natural, Artificial and Cognitive Information Processing
|v Quantum Computing
|x 0
914 1 _ |y 2025
915 _ _ |0 StatID:(DE-HGF)0510
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920 _ _ |l yes
920 1 _ |0 I:(DE-Juel1)PGI-8-20190808
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|x 0
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